CN111676733A - Carbon fiber paper and manufacturing method and application thereof - Google Patents

Carbon fiber paper and manufacturing method and application thereof Download PDF

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Publication number
CN111676733A
CN111676733A CN202010538025.2A CN202010538025A CN111676733A CN 111676733 A CN111676733 A CN 111676733A CN 202010538025 A CN202010538025 A CN 202010538025A CN 111676733 A CN111676733 A CN 111676733A
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CN
China
Prior art keywords
parts
carbon fiber
paper
fiber
fiber paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010538025.2A
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Chinese (zh)
Inventor
吴少虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Yusheng Electronic Co ltd
Original Assignee
Shenzhen Yusheng Electronic Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Yusheng Electronic Co ltd filed Critical Shenzhen Yusheng Electronic Co ltd
Priority to CN202010538025.2A priority Critical patent/CN111676733A/en
Publication of CN111676733A publication Critical patent/CN111676733A/en
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/46—Non-siliceous fibres, e.g. from metal oxides
    • D21H13/50—Carbon fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D21H15/06—Long fibres, i.e. fibres exceeding the upper length limit of conventional paper-making fibres; Filaments
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/16—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising curable or polymerisable compounds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
    • H04R2231/001—Moulding aspects of diaphragm or surround
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/021—Diaphragms comprising cellulose-like materials, e.g. wood, paper, linen

Abstract

The invention discloses carbon fiber paper, which comprises the following effective components in parts by weight: 40-50 parts of long fiber spring wood pulp; 20-30 parts of short fiber Aleuros wood pulp; 2-8 parts of sisal fibers; 5-12 parts of carbon fiber; 1-3 parts of kapok; 1-3 parts of manila hemp; 1-2 parts of urea-formaldehyde resin; 8-12 parts of wool; and preparing carbon fiber paper by adopting the raw materials, and using the prepared carbon fiber paper for preparing the loudspeaker vibrating membrane. The invention can effectively solve the problems of delamination and overweight of the paper vibration film, and has the characteristics of Young modulus as high as 4G, sound propagation speed 2 times that of the traditional paper vibration film and the like.

Description

Carbon fiber paper and manufacturing method and application thereof
Technical Field
The invention relates to carbon fiber paper, in particular to carbon fiber paper and a manufacturing method thereof, and the prepared carbon fiber paper is used for manufacturing a vibrating membrane of a loudspeaker.
Background
A speaker plays an indispensable role in a sound reproduction system as a common electroacoustic transducer device for converting electric energy into acoustic energy. The loudspeaker is the weakest component in the sound reproduction system, and is the most important component for the sound reproduction effect. The loudspeaker has a variety of types, and audio electric energy enables a cone or a diaphragm to vibrate and generate resonance (resonance) with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects.
However, the vibration diaphragm for the loudspeaker in the market at present is made of packaging paperboard or traditional paper pulp. The manufactured vibrating diaphragm is heavy in mass, thick in thickness, uneven in all parts, large in internal damping, low in sound propagation speed, low in Young modulus, large in batch production quantity and serious in pollution.
Disclosure of Invention
The invention aims to provide carbon fiber paper, a manufacturing method of the carbon fiber paper and application of the carbon fiber paper to preparing a loudspeaker diaphragm.
In order to achieve the purpose of the invention, the technical scheme is as follows:
the carbon fiber paper comprises the following effective components in parts by weight:
40-50 parts of long fiber spring wood pulp;
20-30 parts of short fiber Aleuros wood pulp;
2-8 parts of sisal fibers;
5-12 parts of carbon fiber;
1-3 parts of kapok;
1-3 parts of manila hemp;
1-2 parts of urea-formaldehyde resin;
8-12 parts of wool.
Further, 45 parts of long fiber spring wood pulp, 25 parts of short fiber amus wood pulp, 3 parts of sisal fiber, 7 parts of carbon fiber, 2 parts of kapok, 2 parts of manila hemp, 1 part of urea-formaldehyde resin and 10 parts of wool.
Further, the manufacturing method of the carbon fiber paper comprises the following steps:
mixing and pulping long fiber spring wood pulp and short fiber Acuites wood pulp for 2-4 hours, then adding sisal fiber and carbon fiber, and pulping for 1-2 hours; the finished pulp is poured into a small paper machine to make a full roll of paper.
Furthermore, the two sides of the paper are trimmed into base paper with the width of 1 meter.
Further, the base paper is coated with a thermosetting epoxy resin adhesive layer by a precision coating machine, dried by a drying tunnel, rolled by a roller to obtain a flat surface and rolled.
Furthermore, the coating weight of the thermosetting epoxy resin adhesive is 25-35 g per square meter.
Further, the long fiber spring wood pulp is made of long fiber spring wood; the length of the long fiber is 3-10 cm; the length of the short fiber is 0.2-1 cm. The length of the long fiber spring wood pulp is 3-10 cm; the staple fiber of the Alus pulp is 0.2-1 cm in length.
A method for preparing a fiber paper diaphragm by using the carbon fiber paper comprises the following steps:
cutting the carbon fiber paper into single sheets according to the design specification, soaking the single sheets in clean normal-temperature water for 24 hours or hot water at the temperature of 80-100 ℃ for 2-12 hours, clamping the single sheets by using forceps, placing the single sheets on a mold of a thermoforming machine, pressing the single sheets for 30-40 seconds, and then opening the mold; and taking out the formed paper vibration film, flatly placing the paper vibration film in a turnover disc for 4-8 hours, and punching or removing excess materials by using a metal steel die after cooling and stress releasing to obtain the carbon fiber paper vibration film.
Furthermore, the upper mold 185 + -5 degree of the upper letter metal mold and the lower mold 195 + -5 degree of the lower letter metal mold of the hot forming machine mold.
Furthermore, the Young modulus of the carbon fiber paper vibration film is 3-4G.
Compared with the prior art, the invention has the advantages that: the carbon fiber paper vibration film has Young modulus as high as 4G, sound transmission speed 2 times that of the traditional paper vibration film, precise thickness tolerance +/-0.01 MM, and weight difference +/-0.002G of a single vibration film in batches. The problem of layering and overweight of traditional packaging paperboard making paper vibrating diaphragm is effectively solved, and the energy consumption is low, and the environmental protection is pollution-free, can produce as required.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the following will clearly and completely describe the technical solutions in the present application with reference to the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application shall fall within the protection scope of the present application.
Example 1:
the carbon fiber paper comprises the following effective components in parts by weight: 40 parts of long fiber spring wood pulp; 20 parts of short fiber Aleuros wood pulp; 2 parts of sisal fiber; 5 parts of carbon fiber; 1 part of kapok; 1 part of manila hemp; 1 part of urea-formaldehyde resin; 8 parts of wool.
Example 2:
45 parts of long fiber spring wood pulp, 25 parts of short fiber Alus wood pulp, 3 parts of sisal fiber, 7 parts of carbon fiber, 2 parts of kapok, 2 parts of manila hemp, 1 part of urea-formaldehyde resin and 10 parts of wool.
Example 3:
the carbon fiber paper comprises the following effective components in parts by weight: 50 parts of long fiber spring wood pulp; 30 parts of short fiber Aleuros wood pulp; 8 parts of sisal fibers; 12 parts of carbon fiber; 3 parts of kapok; 3 parts of manila hemp; 2 parts of urea-formaldehyde resin; 12 parts of wool.
Example 4:
the carbon fiber paper comprises the following effective components in parts by weight: 45 parts of long fiber spring wood pulp; 25 parts of short-fiber Alus wood pulp; 5 parts of sisal fibers; 8.5 parts of carbon fiber; 2 parts of kapok; 2 parts of manila hemp; 1.5 parts of urea-formaldehyde resin; 10 parts of wool.
Example 5:
the carbon fiber paper comprises the following effective components in parts by weight: 42 parts of long fiber spring wood pulp, 30 parts of short fiber Alus wood pulp, 3 parts of sisal fiber, 7 parts of carbon fiber and 3 parts of kapok; 2 parts of manila hemp; 2 parts of urea-formaldehyde resin; 11 parts of wool.
Example 6:
compared with any of examples 1 to 5, the difference is that: the manufacturing method of the carbon fiber paper comprises the following steps:
mixing and pulping long fiber spring wood pulp and short fiber Acuites wood pulp for 2 hours, adding sisal fiber and carbon fiber, and pulping for 1 hour; the finished pulp is poured into a small paper machine to make a full roll of paper.
Example 7:
compared with any of examples 1 to 5, the difference is that: the manufacturing method of the carbon fiber paper comprises the following steps:
mixing and pulping long fiber spring wood pulp and short fiber Acuites wood pulp for 4 hours, then adding sisal fiber and carbon fiber, and pulping for 2 hours; the finished pulp is poured into a small paper machine to make a full roll of paper.
Example 8:
compared with any of examples 1 to 5, the difference is that: the manufacturing method of the carbon fiber paper comprises the following steps:
mixing and pulping long fiber spring wood pulp and short fiber Acuites wood pulp for 3 hours, then adding sisal fiber and carbon fiber, and pulping for 1.5 hours; the finished pulp is poured into a small paper machine to make a full roll of paper.
Example 9:
compared with any of examples 6 to 8, the difference is that: and trimming two sides of the paper into base paper with the width of 1 meter.
Example 10:
compared with example 9, the difference is that: the base paper is coated with a layer of thermosetting epoxy resin glue layer by a precision coating machine, dried by a drying tunnel, rolled by a roller to obtain a flat surface and wound.
Example 11:
compared with the embodiment 10, the difference lies in that: the coating weight of the thermosetting epoxy resin adhesive is 30g per square meter.
Example 12:
compared with the embodiment 10, the difference lies in that: the coating weight of the thermosetting epoxy resin adhesive is 25g per square meter.
Example 13:
compared with the embodiment 10, the difference lies in that: the coating weight of the thermosetting epoxy resin adhesive is 35 g/square meter.
Example 14:
compared with any of examples 1 to 13, the difference is that: the long fiber spring wood pulp is made of long fiber spring wood; the length of the long fiber is 3-10 cm; the length of the short fiber is 0.2-1 cm. The length of the long fiber spring wood pulp is 3-10 cm; the staple fiber of the Alus pulp is 0.2-1 cm in length. The long fiber spring wood pulp and the short fiber Acumins wood pulp are mixed, so that the mixture contains long fibers and short fibers with different lengths, uniform mixing is facilitated, the long fibers and the short fibers in the prepared fiber paper are uniformly distributed, and the quality of the prepared paper can be effectively improved.
Example 15:
the preparation method of the fiber paper vibration membrane by adopting the carbon fiber paper comprises the following steps:
cutting the carbon fiber paper into single sheets according to the design specification, placing the single sheets into a clean normal-temperature water pool, soaking the single sheets for 24 hours, clamping the single sheets by using tweezers, placing the single sheets on a mold of a thermoforming machine, pressing the single sheets for 30 seconds, and then opening the mold; and taking out the formed paper vibration film, horizontally placing the paper vibration film in a peripheral turntable for 4 hours, and punching or removing excess materials by using a metal steel die after cooling and stress releasing to obtain the carbon fiber paper vibration film.
Example 16:
the preparation method of the fiber paper vibration membrane by adopting the carbon fiber paper comprises the following steps:
cutting the carbon fiber paper into single sheets according to the design specification, soaking the single sheets in clean 80 ℃ hot water for 2 hours, clamping the single sheets by using tweezers, placing the single sheets on a thermoforming machine mold, pressing the single sheets for 30 seconds, and then opening the mold; and taking out the formed paper vibration film, horizontally placing the paper vibration film in a peripheral turntable for 4 hours, and punching or removing excess materials by using a metal steel die after cooling and stress releasing to obtain the carbon fiber paper vibration film.
Example 17:
the preparation method of the fiber paper vibration membrane by adopting the carbon fiber paper comprises the following steps:
cutting the carbon fiber paper into single sheets according to the design specification, soaking the single sheets in clean normal-temperature water for 24 hours, clamping the single sheets by using tweezers, placing the single sheets on a mold of a thermoforming machine, pressing the single sheets for 40 seconds, and then opening the mold; and taking out the formed paper vibration film, horizontally placing the paper vibration film in a turnover disc for 6 hours, and punching or removing excess materials by using a metal steel die after cooling and stress releasing to obtain the carbon fiber paper vibration film.
Example 18:
the preparation method of the fiber paper vibration membrane by adopting the carbon fiber paper comprises the following steps:
cutting the carbon fiber paper into single sheets according to the design specification, soaking the single sheets in clean 90 ℃ hot water for 7 hours, clamping the single sheets by using tweezers, placing the single sheets on a thermoforming machine mold, pressing the single sheets for 30 seconds, and then opening the mold; and taking out the formed paper vibration film, horizontally placing the paper vibration film in a turnover disc for 5 hours, and punching or removing excess materials by using a metal steel die after cooling and stress releasing to obtain the carbon fiber paper vibration film.
Example 19:
the preparation method of the fiber paper vibration membrane by adopting the carbon fiber paper comprises the following steps:
cutting the carbon fiber paper into single sheets according to the design specification, soaking the single sheets in clean 100 ℃ hot water for 12 hours, clamping the single sheets by using tweezers, placing the single sheets on a thermoforming machine mold, pressing the single sheets for 40 seconds, and then opening the mold; and taking out the formed paper vibration film, horizontally placing the paper vibration film in a peripheral turntable for 8 hours, and punching or removing excess materials by using a metal steel die after cooling and stress releasing to obtain the carbon fiber paper vibration film.
Example 20:
compared with any of examples 15 to 19, the difference is that: the upper mold of the upper letter metal mold of the thermoforming machine mold is 185 +/-5 degrees, and the lower mold of the lower letter metal mold is 195 +/-5 degrees.
Example 21:
compared with any of examples 15 to 19, the difference is that: the Young modulus of the carbon fiber paper vibration film is 3-4G.
The fiber paper diaphragms prepared by the preparation method of the above embodiments 14 to 18 can effectively solve the problems of delamination and weight bias of the paper diaphragms.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims (10)

1. The carbon fiber paper is characterized by comprising the following effective components in parts by weight:
40-50 parts of long fiber spring wood pulp;
20-30 parts of short fiber Aleuros wood pulp;
2-8 parts of sisal fibers;
5-12 parts of carbon fiber;
1-3 parts of kapok;
1-3 parts of manila hemp;
1-2 parts of urea-formaldehyde resin;
8-12 parts of wool.
2. The carbon fiber paper according to claim 1, characterized in that: 45 parts of long fiber spring wood pulp, 25 parts of short fiber Alus wood pulp, 3 parts of sisal fiber, 7 parts of carbon fiber, 2 parts of kapok, 2 parts of manila hemp, 1 part of urea-formaldehyde resin and 10 parts of wool.
3. The carbon fiber paper according to claim 1, characterized in that: the manufacturing method of the carbon fiber paper comprises the following steps:
mixing and pulping long fiber spring wood pulp and short fiber Acuites wood pulp for 2-4 hours, then adding sisal fiber and carbon fiber, and pulping for 1-2 hours; the finished pulp is poured into a small paper machine to make a full roll of paper.
4. The carbon fiber paper according to claim 3, characterized in that: and trimming two sides of the paper into base paper with the width of 1 meter.
5. The carbon fiber paper according to claim 4, characterized in that: the base paper is coated with a layer of thermosetting epoxy resin glue layer by a precision coating machine, dried by a drying tunnel, rolled by a roller to obtain a flat surface and wound.
6. The carbon fiber paper according to claim 5, characterized in that: the coating weight of the thermosetting epoxy resin adhesive is 25-35 g per square meter.
7. The carbon fiber paper according to any one of claims 1 to 6, characterized in that: the long fiber spring wood pulp is made of long fiber spring wood;
the length of the long fiber is 3-10 cm;
the length of the short fiber is 0.2-1 cm.
8. A method of manufacturing a fiber paper diaphragm using the carbon fiber paper according to any one of claims 1 to 6, wherein: the preparation method comprises the following steps:
cutting the carbon fiber paper into single sheets according to the design specification, soaking the single sheets in clean normal-temperature water for 24 hours or hot water at the temperature of 80-100 ℃ for 2-12 hours, clamping the single sheets by using forceps, placing the single sheets on a mold of a thermoforming machine, pressing the single sheets for 30-40 seconds, and then opening the mold; and taking out the formed paper vibration film, flatly placing the paper vibration film in a turnover disc for 4-8 hours, and punching or removing excess materials by using a metal steel die after cooling and stress releasing to obtain the carbon fiber paper vibration film.
9. The method for preparing the fiber paper diaphragm by using the carbon fiber paper as claimed in claim 8, wherein the method comprises the following steps: the upper die 185 +/-5 degrees and the lower die 195 +/-5 degrees of the upper and lower primary and secondary metal dies of the thermoforming machine die.
10. The method for preparing the fiber paper diaphragm by using the carbon fiber paper as claimed in claim 8, wherein the method comprises the following steps: the Young modulus of the carbon fiber paper vibration film is 3-4G.
CN202010538025.2A 2020-06-12 2020-06-12 Carbon fiber paper and manufacturing method and application thereof Pending CN111676733A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010538025.2A CN111676733A (en) 2020-06-12 2020-06-12 Carbon fiber paper and manufacturing method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010538025.2A CN111676733A (en) 2020-06-12 2020-06-12 Carbon fiber paper and manufacturing method and application thereof

Publications (1)

Publication Number Publication Date
CN111676733A true CN111676733A (en) 2020-09-18

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112647343A (en) * 2020-11-27 2021-04-13 宜兴市易问信息科技有限公司 Preparation method of carbon fiber paper for fuel cell

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CN106948211A (en) * 2017-01-20 2017-07-14 广西玉林市禹力音响配件有限公司 A kind of water proof fire retardant cone
CN109594397A (en) * 2018-11-30 2019-04-09 浙江金昌特种纸股份有限公司 A kind of carbon fiber paper papermaking process
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CN106930134A (en) * 2017-01-20 2017-07-07 广西玉林市禹力音响配件有限公司 A kind of preparation method of loudspeaker vibrophone
CN106948211A (en) * 2017-01-20 2017-07-14 广西玉林市禹力音响配件有限公司 A kind of water proof fire retardant cone
CN109594397A (en) * 2018-11-30 2019-04-09 浙江金昌特种纸股份有限公司 A kind of carbon fiber paper papermaking process
CN110080034A (en) * 2019-04-01 2019-08-02 广州市建桥音响配件有限公司 A kind of HiFi Speakers cone and its production technology

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112647343A (en) * 2020-11-27 2021-04-13 宜兴市易问信息科技有限公司 Preparation method of carbon fiber paper for fuel cell

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